================
@@ -2007,6 +2022,21 @@ class CXXDeductionGuideDecl : public FunctionDecl {
/// this is an implicit deduction guide.
CXXConstructorDecl *getCorrespondingConstructor() const { return Ctor; }
+ /// Get the deduction guide from which this deduction guide was generated,
+ /// if it was generated as part of alias template deduction or from an
+ /// inherited constructor.
+ CXXDeductionGuideDecl *getSourceDeductionGuide() const {
+ return SourceDeductionGuide.getPointer();
+ }
+
+ void setSourceDeductionGuide(CXXDeductionGuideDecl *DG) {
+ SourceDeductionGuide.setPointer(DG);
+ }
+
+ SourceKind getSourceKind() const { return SourceDeductionGuide.getInt(); }
----------------
antangelo wrote:
I've opted for adding an additional kind `None` for this case, I think it makes
the code cleaner by not having `Alias` serve as the default and needing to
check the pointer before being able to read the kind.
https://github.com/llvm/llvm-project/pull/98788
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